Core 6- 3.1-3.3

What is the divisibility rule for 3?

• Add up the digits. The sum must be even and divisible by 3.
• The digits must add up to 9.
• The last digit must be a 3.
• Add up the digits. The sum must be divisible by 3.

Tags

CCSS.4.OA.B.4

What is the divisibility rule for 5?

• The digits must add up to 10.
• The last digit needs to be a 5 or 0.
• The last digit can only be a 5.
• The sum of the digits need to be divisible by 5.

Tags

CCSS.5.OA.B.3

Any whole number is divisible by 9 if the sum of the digitis 

• is divisible by 9
• is divisible by 4
• ends in 0 or 5
• ends in 3, 6, or 9

Tags

CCSS.4.OA.B.4

Is 64 divisible by 2?

• Yes
• No

Tags

CCSS.6.NS.B.2

A number is divisible by 2 if ...

• it is even and ends in 0,2,4,6 or 8

• it is uneven

Tags

CCSS.2.OA.C.3

A number is divisible by 10 if ...

• it ends in 3

• it ends in 0

Tags

CCSS.4.NBT.A.1

Is 60,714 divisible by 3?

• Yes
• No

Tags

CCSS.4.OA.B.4

A PRIME NUMBER is...

• a number that has only one factor.
• a number that has at least two factors.
• a number that has more than two factors.
• a number that has only two factors.
  (1 and itself)

Tags

CCSS.4.OA.B.4

A number that has more than 2 factors is called a __________ number.

• prime
• composite
• odd
• even

Tags

CCSS.4.OA.B.4

7 is a ________ number.

• prime
• composite

Tags

CCSS.4.OA.B.4